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I've tried a lot of CBD products and some work VERY well (Feals, Soul) and some might as well be gummy bears (Cornbread Hemp). I generally disbelieve "internet" PR claims as well, but the two I mentioned are legit.
I'll eat 3 Feals gummies or 1 Soul "Out of Office" quad, and it rocks me. (M, 40's, 6', 170lbs).
I asked Bing's Search AI the same question and it claims that it updates itself every day to stay current on the latest news and happenings.
2 years is a LONG time in our current society, so keep that in mind when it provides answers.
I can't (and refuse) to live my lie by "what ifs." If they do any of those things, it's easy enough to pivot to the 3 or 4 other providers our there, like ZeroTier, who offer the same thing.
My hope is if they do, the FOSS community will have gotten their act together and built a capable replacement, which is usually the case.
So, before Tailscale there wasn't a solution. Now we have one, but it's yet another tool we have to manually manage.
I love WG and use it extensively, but the attraction of Tailscale (and why I use it) is that it takes disparate concepts and gives you a nice visual control panel to manage them and see the status of all your devices in one place.
Nothing. Absolutely nothing exists for Wireguard that does even some of that, which doesn't also cost money.
I don't think Wireguard is even capable of the 'DERP' server concept to get around NAT limitations.
So no, you can't 'just use Wireguard' to accomplish what Tailscale does.